20197931 is an odd 8-digits composite number following 20197930
and preceding 20197932 . In scientific notation, it is written as 2.0197931 × 10^7.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 17662752 positive integers (up to 20197931) that are relatively prime to 20197931.
20197931 has 8 divisors, whose sum is 22896720
The reverse of 20197931 is 13979102
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million one hundred ninety-seven thousand nine hundred thirty-one
Scientific notation
2.0197931 × 10^7
Engineering notation
2.0197931 × 10^6
Prime Factorization
13 × 19 × 81773
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20197931
Product of the distinct prime numbers
The prime factorization of 20197931 is 13 × 19 × 81773.
Since it has a total of 3 prime factors.
9 , 9 , 4 , 25 , 587 , 838 , 5658 , 4968 , 56768 , 71059 , 511499 , 256344 , 1978140 , 8059167 , 93670834 , 28317049 , 226393762 , 257720940 , 1402571856 , 4511164696
n×2
40395862
n×3
60593793
n×4
80791724
n×5
100989655
n÷2
10098965.5
n÷3
6732643.6666667
n÷3
5049482.75
n÷5
4039586.2
n2
407956416680761
n3
8.2398755551253E+21
n4
1.6642843791101E+29
n5
3.3615101053643E+36
2 √n
4494.2108317256
3 √n
272.33426950867
4 √n
67.038875525516
5 √n
28.910884377606
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20197930
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20197931 can be divided by 8 positive divisors.
The sum of these divisors (counting 20197931) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101000011001000101011
3
Ternary
1102000011100112
4
Quaternary
1031003020223
5
Quinary
20132313211
6
Senary
2000524535
8
Octal
115031053
10
Decimal
20197931
12
Duodecimal
692074b
16
Hexadecimal
134322b
20
Vigesimal
664egb
36
Base36
c0wtn
md5
30c1c9f1a8d07168951ee3cd3726050e
sha1
25d018fe6e677897a63f4bfb3fb4186aaae25e98
sha256
7f9830a2083965da9ae9d4d054f72455e644553791b28e9c759cc3dbdffd5cdf
sha512
f9b9bd7e5ea916ba22ec9d39dd49aec800dd5c876c3bd41bb2b8e093e2aa72ddfffddf60a7eefe78e98c41ef43bec2bcdeccd0c9dcf97bce158407bd6595e5b3
ripemd-160
1ea14c68a8d86f7015e9a58da85f7143ada753e0
Diameter
40395862
Circumference
126907343.29463
Area
1.2816328816291E+15
Volume
3.4515110013968E+22
Surface area
5.1265315265164E+15
Circumference
126907343.29463
Perimeter
80791724
Area
407956416680761
Diagonal
28564187.952076
Surface area
2447738500084566
Volume
8.2398755551253E+21
Space diagonal
34983842.69977
Perimeter
60593793
Area
1.766503102412E+14
Altitude
17491921.349885
Surface area
1.766503102412E+14
Volume
9.7107864686039E+20
Height
9521395.9840253